Invisible Earphones Mini Headphones V5.2 Bluetooth TWS In-Ear Earbuds Noise Reduction Wireless Sleep In-Ear Earbuds With Micr

High-concerned chemical : None Material : PVC Width[mm] : / Depth[mm] : / Weight[g] : 2.9 Height[mm] : / Battery Capacity[mAh] : 350 Battery life up to[hours] : 5 Voice assistant built-in : Yes Maximum wireless range[m] : <10m NFC Technology : No Sound Isolating : Yes Category : Earphones & Headphones Earcups Type : Sealed Number Of Drivers : 2 Charging Method : Charging case Headphone Pads Material : Other Magnet Type : Other Total Harmonic Distortion : 0% Impedance Range : up to 32 Ω Bluetooth Version : 5.2 Package List : User Manual,USB Type-C Adapter Features : Waterproof Codecs : NONE With Microphone : Yes Is wireless : Yes Support APP : No Waterproof : Yes Frequency Response Range : 20 - 20000Hz Sensitivity : 32dB Plug Type : NONE Function : Common Headphone,For Mobile Phone,Sport Active Noise-Cancellation : Yes Volume Control : No Control Button : No Vocalism Principle : Hybrid Technology Wireless Type : Bluetooth Connectors : Type c Communication : WireLess Style : In-ear Certification : CE,FCC Origin : Mainland China Brand Name : DMWING Support Memory Card : No Resistance : 32Ω Feature 1 : invisible wireless headphones Feature 2 : mini wireless bluetooth headphones Feature 3 : bluetooth earpiece Feature 4 : in ear Feature 5 : Bluetooth headphones Feature 6 : invisible earbuds